AT&T is one of the leading cell phone providers globally and is well-known for its upgrade offers and promotions. With multiple plans available and money-saving services like its trade-in program, it’s important to do your research before grabbing a shiny new device. If your device is defective, slowing down, or not receiving important updates, it may be a sign that you’re due for a phone upgrade. Before rushing into the process, there are important things to consider, such as
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